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计算机
For each blank, choose the best answer from the four choices and write down on the answer sheet. (66) is a one-way function t
For each blank, choose the best answer from the four choices and write down on the answer sheet. (66) is a one-way function t
admin
2009-02-15
23
问题
For each blank, choose the best answer from the four choices and write down on the answer sheet.
(66) is a one-way function that takes an arbitrarily long piece of plaintext and from it computes a fixed-length bit string.
(67) is a protocol that most USENET machines now use it to allow news articles to propagate from one machine to another over a reliable connection.
(68) is an approach preferred by cable TV providers. In this solution the fiber terminates at an optoelectrical converter and the final segment is a shared coaxial cable.
(69) is a device used to connect two separate network that use different communication protocol.
(70) is a digital-to-digital polar encoding method in which the signal level is always either positive or negative.
选项
A、Router
B、Gateway
C、Bridge
D、Hub
答案
B
解析
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本试题收录于:
网络工程师上午基础知识考试题库软考中级分类
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网络工程师上午基础知识考试
软考中级
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